Re: New 2.6.24.2 SG_IO SCSI problems

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From: Mark Hounschell
Subject: Re: New 2.6.24.2 SG_IO SCSI problems
Date: Thursday, February 21, 2008 - 9:21 am
James Bottomley wrote:
quoted text> On Thu, 2008-02-21 at 10:15 -0500, Mark Hounschell wrote:
>> I seem to have run into some sort of regression in the SG_IO interface of 2.6.24.2. 
>> I have an application that up until 2.6.24 worked fine. The 2.6.23.16 kernel works fine.
>>
>> During reads I get these kernel messages. Writes and other functions _seem_ OK. Actually basic
>> reads  are working. Its with large BC reads using an io_vec list that the problem shows up.
>>
>> Feb 21 09:27:51 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
>> Feb 21 09:27:51 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
>> Feb 21 09:27:51 harley kernel: sg[0] - Addr 0x06256100 : Length 256
> 
> Help me a little here.  What was the io_vec and command you sent in to
> produce this?  The aic debugging information implies a single element sg
> list for a 256 byte read.
> 
> James
> 
> 
> 

Well, I did no 256 byte xfer at all.  My failing io_vec list has 6 elements.
The first 5 are for byte counts of 0xfffc and the last 0x6114. See below.

This is some debug info from within my app of the commands leading up the failure:
If you need actual values of the io_vec lists I will need to add some additional debug
info into the app. I will do if needed.

The disk BTW is formated at 768 byte sector size.
 
The first read has a 2 element io_vec list and reports no error:
ScsiDev_thread_7e00: Read CBD = 0x08 0x00 0x00 0x00 0x01 0x00
ScsiDev_thread_7e00: Read1(1) bc = 0x0078 addr = 0x000000 Skip 0
ScsiDev_thread_7e00: Read(2) bc = 0x0288 addr = 0xb6cea368 Skip 1
ScsiDev_thread_7e00: SRead  DC ops = 2 short_bc = 288

The second read has a 4 element io_vec list and reports no error:
ScsiDev_thread_7e00: Read CBD = 0x08 0x00 0x00 0x00 0x05 0x00
ScsiDev_thread_7e00: Read1(1) bc = 0x0780 addr = 0x000000 Skip 0
ScsiDev_thread_7e00: Read1(2) bc = 0x0670 addr = 0x000000 Skip 1
ScsiDev_thread_7e00: Read1(3) bc = 0x003c addr = 0x000200 Skip 0
ScsiDev_thread_7e00: SRead(4) bc = 0x022c addr = 0xb6cea368 Skip 1
ScsiDev_thread_7e00: Read  DC ops = 4 short_bc = 22c

There is a seek here that reports no error:
ScsiDev_thread_7e00: Seek address 2752 BPS 768


This read has a 6 element io_vec list and reports  the error to the app:
ScsiDev_thread_7e00: ReadX CBD = 0x28 0x00 0x00 0x00 0x27 0x52 0x00 0x01 0xcb 0x00
ScsiDev_thread_7e00: Read1(1) bc = 0xfffc addr = 0x000784 Skip 0
ScsiDev_thread_7e00: Read1(2) bc = 0xfffc addr = 0x010780 Skip 0
ScsiDev_thread_7e00: Read1(3) bc = 0xfffc addr = 0x02077c Skip 0
ScsiDev_thread_7e00: Read1(4) bc = 0xfffc addr = 0x030778 Skip 0
ScsiDev_thread_7e00: Read1(5) bc = 0xfffc addr = 0x040774 Skip 0
ScsiDev_thread_7e00: Read1(6) bc = 0x6114 addr = 0x050770 Skip 0
ScsiDev_thread_7e00: Read  DC ops = 6 short_bc = 0

ScsiDev_thread_7e00: scsi = 0x0 msg 0x0 host = 0x00000007 driver = 0x00000000
ScsiDev_thread_7e00: Read error: sns = 0x00 residual = 0x0000
ScsiDev_thread_7e00: Posting IPL status 0x00000090 0x000e0000 for Suba 0000 to loc 0x000000
ScsiDev_thread_7e00: Sleeping!!


Below is the complete dump of kernel messages for the above. I assume they are
a result of the last failing read but there is an awfull lot there just for that 6 element
io_vec list. Sorry to put all this in there but wanted to you to get the idea.


Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:03 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:03 harley kernel: sg[0] - Addr 0x03252e100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): data overrun detected in Data-in phase.  Tag == 0x1.
Feb 21 10:51:49 harley kernel: (scsi1:A:2:0): Have seen Data Phase.  Length = 256.  NumSGs = 1.
Feb 21 10:51:49 harley kernel: sg[0] - Addr 0x0f156100 : Length 256

Again, sorry for all that.

regards
Mark
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Messages in current thread:
New 2.6.24.2 SG_IO SCSI problems, Mark Hounschell, (Thu Feb 21, 8:15 am)
Re: New 2.6.24.2 SG_IO SCSI problems, James Bottomley, (Thu Feb 21, 8:41 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mark Hounschell, (Thu Feb 21, 9:21 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mark Hounschell, (Fri Feb 22, 3:03 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mike Christie, (Fri Feb 22, 9:50 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mike Christie, (Fri Feb 22, 9:59 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mark Hounschell, (Fri Feb 22, 10:56 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mark Hounschell, (Fri Feb 22, 2:38 pm)
Re: New 2.6.24.2 SG_IO SCSI problems, Mike Christie, (Fri Feb 22, 3:25 pm)
Re: New 2.6.24.2 SG_IO SCSI problems, Tony Battersby, (Fri Feb 22, 3:48 pm)
Re: New 2.6.24.2 SG_IO SCSI problems, Mark Hounschell, (Sat Feb 23, 4:16 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mark Hounschell, (Wed Mar 5, 4:58 am)
Re: New 2.6.24.2 SG_IO SCSI problems, James Bottomley, (Wed Mar 5, 8:44 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mark Hounschell, (Wed Mar 5, 9:28 am)
Re: New 2.6.24.2 SG_IO SCSI problems, Mike Christie, (Wed Mar 5, 10:13 am)

linux-kernel:
Fortier,Vincent [Montreal]	2.6.21.5 june 30th to july 1st date hang?
Jeff Dike	[ PATCH 2/6 ] UML - Formatting fixes around os_{read_write}_file callers
Liam Girdwood	[PATCH 07/13] regulator: regulator test harness
Oleg Nesterov	Re: Getting the new RxRPC patches upstream
Stefan Seyfried	Re: 2.6.19-rc5: grub is much slower resuming from suspend-to-disk than in 2.6.18
linux-netdev:
Arnaud Ebalard	Re: [REGRESSION,BISECTED] MIPv6 support broken by f4f914b58019f0
Jan Engelhardt	Re: [PATCH iptables] extension: add xt_cpu match
Jarek Poplawski	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Sebastian Andrzej Siewior	[PATCH 8/8] net/emergency: remove locking from reycling pool if emergncy pools are...
David Miller	Re: [PATCH] qlcnic: dont assume NET_IP_ALIGN is 2
git:
Jakub Narebski	Re: git on MacOSX and files with decomposed utf-8 file names
Brandon Casey	Re: Thunderbird and patches (was Re: [PATCH v2] Enable setting attach as the def...
Christian Couder	[PATCH 1/3] rev-parse: add test script for "--verify"
Ramkumar Ramachandra	Re: [GSoC update] git-remote-svn: The final one
Junio C Hamano	Re: git-rm isn't the inverse action of git-add
openbsd-misc:
Joachim Schipper	Re: UVC Webcams
Florin Andrei	SOLVED [was: firewall is very slow, something's wrong]
Todd Alan Smith	Re: Microsoft gets the Most Secure Operating Systems award
Neal Hogan	Re: Need Advice: Thinkpad T60 or T61?
Sam Fourman Jr.	Re: Real men don't attack straw men
git-commits-head:
Linux Kernel Mailing List	ACPI: Disable ARB_DISABLE on platforms where it is not needed
Linux Kernel Mailing List	m68knommu: add read_barrier_depends() and irqs_disabled_flags()
Linux Kernel Mailing List	[MTD] Add mtd panic_write function pointer
Linux Kernel Mailing List	[ARM] pxa: remove duplicate select statements from Kconfig
Linux Kernel Mailing List	mlx4_core: Don't read reserved fields in mlx4_QUERY_ADAPTER()